My son just turned 5 months old. He is breastfed, and is about to start on solids (cereal and breast milk- taking his ques that he's ready). It's been years since I last nursed, and I guess I didn't really think something was wrong until recently. Pretty regularly his bowel movements are more green tinged (yellow-green, green-green, and brown-green, though can be more brown or mustard colored at times too) and slimy/mucousy (no blood). I guess I didn't freak out about it after awhile because he has always been growing and gaining weight great, and is not a very 'fussy" baby- he can get fussy but is easy to soothe, and is often a very content and happy little guy. He has NEVER had a diaper rash, he doesn't ever seems excessively gassy/colicky, he's never gotten sick despite our 3 older boys having bugs on and off over the past 5 months- yay breast milk- and he sleeps well, though he's more of a multiple-short-naps sort of baby.

He is teething REALLY bad right now. I have to change his clothes several times a day due to drooling .I read the excess saliva can cause these issues, along with allergens passed on through the mother's milk. My oldest son has dairy sensitivities, but when he was a bf baby his bowel movements were normal. I am kind of wary of doing a diet elimination right this moment because if it is possibly the teething/ saliva, if I remove dairy etc and his teeth pop in the next few weeks and his bowel issues clear up- It would be a tough call to say which one it was! But I am asking to see if this is a normal occurrence in times of teething, or if green really sends up a red flag for allergens in the breast milk.

He is also "comfort nursing" a lot because of his gums lately- especially at night- and thought that could also contribute (eating too much inadvertently while basically teething on my boobs!)

So please- any experience or advice? I plan to ask his doctor about it... But while I really like her, she often doesn't have a lot of advice in the way of food sensitivities/allergens. At least in regard to my past experiences.

We had some issues with too much foremilk and not enough hindmilk because of oversupply and super fast let down which caused green poops. I did block feeding for a while - nurse 2-3 times on one side then switch to the other.

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DD Seraphina born at home on 2/21/2012!

"Childbirth is more admirable than conquest, more amazing than self-defense, and as courageous as either one."

We had some issues with too much foremilk and not enough hindmilk because of oversupply and super fast let down which caused green poops. I did block feeding for a while - nurse 2-3 times on one side then switch to the other.
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This was it for us, too. I ended up doing blocks as long as 8 hours or more on one side! But be careful with that, as it will reduce your supply. Here is a link with some symptoms: https://www.llli.org/faq/oversupply.html

DS got HUGE super fast, I think related to so much foremilk. He would sometimes clamp down, arch his back, or only do short feedings, though. Also, sometimes he would unlatch, and I'd let the milk spray onto a burp cloth for a while until the flow slowed, then put him back on. Good luck!